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Direct indication of a higher central temperature achieved during spark plasma sintering process of a zeolite
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2015 (English)In: Journal of the European Ceramic Society, ISSN 0955-2219, E-ISSN 1873-619X, Vol. 35, no 5, 1599-1603 p.Article in journal (Refereed) Published
Abstract [en]

The transition between transparent and opaque of as-sintered zeolite samples is employed to study the temperature distribution of non-conducting samples during spark plasma sintering (SPS) process in this paper. The results show that temperature gradients exist in both radial and axial directions, which provide direct evidence of temperature distribution in the SPS process. The sample prepared at 1325 degrees C is transparent in the center and opaque in the edge, which suggests that the temperature of the center is higher than the edge and the temperature differential is about 26 degrees C by the thermal analysis model based on the experimental data in ANSYS code. The axial temperature gradient is also present in the as-sintered sample obtained at 1315 degrees C. The transparent part of the upper surface is larger than the lower surface, which illustrates that the temperature of the upper surface was higher than the lower surface and the difference is about 5 degrees C.

Place, publisher, year, edition, pages
2015. Vol. 35, no 5, 1599-1603 p.
Keyword [en]
Spark plasma sintering, Temperature distribution, Glass, Disorder, Zeolites
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:su:diva-115268DOI: 10.1016/j.jeurceramsoc.2014.11.012ISI: 000348686200026OAI: oai:DiVA.org:su-115268DiVA: diva2:799782
Note

AuthorCount:6;

Available from: 2015-03-31 Created: 2015-03-18 Last updated: 2017-12-04Bibliographically approved

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Shen, Zhijian
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Department of Materials and Environmental Chemistry (MMK)
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